{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["RNA", "DNA", "cell line", "cell type", "protein"], "input": "Using this assay system , we have evaluated the contributions of ligand binding and heat activation to DNA binding by these glucocorticoid receptors ."}
{"RNA": [], "DNA": [], "cell line": [], "cell type": [], "protein": ["glucocorticoid receptors"]}